Now that the lid is taken off this can of worms in the United States I think we can assume it is the same or worse here in Canada. What we know about is probably only the part of the iceberg that's above water. I imagine that a lot of the unaccounted for money in Canada has been spent on similar influence influenced buying. Sadly, PP is no Trump and will probably never find out the truth.
https://www.zerohedge.com/political/politico-ny-times-propped-millions-dollars-us-government